Volumes spanned by kk point configurations in Rd\mathbb{R}^d

preprint2021arXivOpen access

Abstract

Given a kk-point configuration x∈(Rd)kx\in (\mathbb{R}^d)^k, we consider the (kd)\binom{k}{d}-vector of volumes determined by choosing any dd points of xx. We prove that a compact set E⊂RdE\subset \R^d determines a positive measure of such volume types if the Hausdorff dimension of EE is greater than d−d−12k−dd-\frac{d-1}{2k-d}. This generalizes results of Greenleaf, Iosevich, and Mourgoglou, Greenleaf, Iosevich, and Taylor, and the second listed author.

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